KROKO root cutters from TAG Nozzles can be used to help clean pipes from 4 to 24 inches in diameter. Powered by a turbine, it rotates on two high-quality bearings. Working with only water pressure, it requires minimal maintenance and no lubrication. It is made of resistant steel and the removable jets are made of stainless steel. It shreds wood, roots, grease and mineral deposits up to 800 feet away. The MINI KROKO can be used in pipes from 4 to 10 inches, and operates from 1,800 to 3,000 psi and 35 to 60 gpm. The KROKO can be used in pipes from 8 to 24 inches, and operates from 1,800 to 3,000 psi and 50 to 80 gpm. 418/838-2195; www.tagnozzles.com.